201120211100020 has 24 divisors (see below), whose sum is σ = 431338665510144. Its totient is φ = 78736423068576.

The previous prime is 201120211099937. The next prime is 201120211100111. The reversal of 201120211100020 is 20001112021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106978834752 + ... + 106978836631.

It is an arithmetic number, because the mean of its divisors is an integer number (17972444396256).

Almost surely, 2^{201120211100020} is an apocalyptic number.

201120211100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120211100020 is an abundant number, since it is smaller than the sum of its proper divisors (230218454410124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201120211100020 is a wasteful number, since it uses less digits than its factorization.

201120211100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213957671439 (or 213957671437 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201120211100020 its reverse (20001112021102), we get a palindrome (221121323121122).

The spelling of 201120211100020 in words is "two hundred one trillion, one hundred twenty billion, two hundred eleven million, one hundred thousand, twenty".